dc.contributor.author | Hökelek, Tuncer | |
dc.contributor.author | Dal, Hakan | |
dc.contributor.author | Tercan, Barış | |
dc.contributor.author | Özbek, F. Elif | |
dc.contributor.author | Necefoğlu, Hacali | |
dc.date.accessioned | 2019-12-13T06:31:30Z | |
dc.date.available | 2019-12-13T06:31:30Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 2470-0010 | |
dc.identifier.uri | https://doi.org/10.1103/PhysRevD.96.032002 | |
dc.identifier.uri | http://hdl.handle.net/11655/18397 | |
dc.description.abstract | A measurement of the top quark mass (M-t) in the dileptonic t (t) over bar decay channel is performed using data from proton-proton collisions at a center-of-mass energy of 8 TeV. The data was recorded by the CMS experiment at the LHC and corresponds to an integrated luminosity of 19.7 +/- 0.5 fb(-1). Events are selected with two oppositely charged leptons (l = e, mu) and two jets identified as originating from b quarks. The analysis is based on three kinematic observables whose distributions are sensitive to the value of Mt. An invariant mass observable, M-bl, and a "stransverse mass" observable, M-T2, are employed in a simultaneous fit to determine the value of M-t and an overall jet energy scale factor (JSF). A complementary approach is used to construct an invariant mass observable, M-blv, that is combined with M-T2 to measure M-t. The shapes of the observables, along with their evolutions in M-t and JSF, are modeled by a nonparametric Gaussian process regression technique. The sensitivity of the observables to the value of M-t is investigated using a Fisher information density method. The top quark mass is measured to be 172.22 +/- 0.18(stat)(-0.93)(+0.89) (syst) GeV. | |
dc.language.iso | en | |
dc.publisher | Amer Physical Soc | |
dc.relation.isversionof | 10.1103/PhysRevD.96.032002 | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.subject | Astronomy & Astrophysics | |
dc.subject | Physics | |
dc.title | Measurement of the Top Quark Mass in the Dileptonic T(T)Over-Bar Decay Channel Using the Mass Observables M-Bl, M-T2, and M-Blv In Pp Collisions at Root=8 Tev | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:eu-repo/semantics/publishedVersion | |
dc.relation.journal | Physical Review D | |
dc.contributor.department | Fizik Mühendisliği | |
dc.identifier.volume | 96 | |
dc.identifier.issue | 3 | |
dc.description.index | WoS | |
dc.description.index | Scopus | |